Thanks to our buddies at Valve, we’ve got a box-load of Portal 2 goodies to give away to you, our loyal readers. Here’s the brief rundown of how the contest works:

For the next four days, sign in to your Piki Geek account (or register, if you haven’t already) and earn as many Piki Points as you can, by commenting, submitting tips, and visiting the site daily. On Friday, visit the Portal 2 Giveaway Page and place a bid on any items you’re interested in using your accumulated Piki Points.

The amount of Piki Points you bid per item is equal to the number of “entries” you have for that item. On Saturday, we’ll be drawing winners for each item, so bid high on the stuff you want!

Hit the jump for more information and contest rules, or visit the Portal 2 Giveaway Page to see what you can win!

You’re able to bid on multiple items, however, only one item per user can be won. If you happen to win multiple items, we’ll send you an email and let you pick which one you’d like.

There is no limit to how many Piki Points you can bid, as long as you have enough in your account. Once you bid a set number of Piki Points for an item, your bid will be reviewed, and then the Points will be removed from your account. (This may take several hours.) As always, if there is an error in your bid, please send an email to Pikigeek@pikimal.com for service.

How we choose winners: Winners are chosen randomly, like a drawing. However, users who bid higher amounts than others have a higher chance of winning. Think of each Piki Point as an entry in a drawing.

For example, let’s say you’re really interested in that Medium Aperture Science shirt (and who wouldn’t be?) and bid 200 Piki Points on it. Similarly, two others users are gunning for that item, but only bid 50 Points, each, for it. When we randomly draw a winner, you’ll have a much higher chance of being chosen than those other shmucks because of the high amount you had bid.

So get commenting, send us tips, and keep checking back. Then on Friday (or any time before), visit the Portal 2 Giveaway Page and place your bids on the swag you want to win!

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